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137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* DNS callback functions for libldap that use the NSPR (Netscape
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* Portable Runtime) thread API.
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*
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*/
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#include "ldappr-int.h"
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static LDAPHostEnt *prldap_gethostbyname( const char *name,
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LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
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void *extradata );
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static LDAPHostEnt *prldap_gethostbyaddr( const char *addr, int length,
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int type, LDAPHostEnt *result, char *buffer, int buflen,
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int *statusp, void *extradata );
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static LDAPHostEnt *prldap_convert_hostent( LDAPHostEnt *ldhp,
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PRHostEnt *prhp );
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/*
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* Install NSPR DNS functions into ld (if ld is NULL, they are installed
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* as the default functions for new LDAP * handles).
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*
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* Returns 0 if all goes well and -1 if not.
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*/
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int
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prldap_install_dns_functions( LDAP *ld )
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{
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struct ldap_dns_fns dnsfns;
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memset( &dnsfns, '\0', sizeof(struct ldap_dns_fns) );
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dnsfns.lddnsfn_bufsize = PR_NETDB_BUF_SIZE;
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dnsfns.lddnsfn_gethostbyname = prldap_gethostbyname;
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dnsfns.lddnsfn_gethostbyaddr = prldap_gethostbyaddr;
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if ( ldap_set_option( ld, LDAP_OPT_DNS_FN_PTRS, (void *)&dnsfns ) != 0 ) {
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return( -1 );
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}
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return( 0 );
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}
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static LDAPHostEnt *
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prldap_gethostbyname( const char *name, LDAPHostEnt *result,
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char *buffer, int buflen, int *statusp, void *extradata )
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{
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PRHostEnt prhent;
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if( !statusp || ( *statusp = (int)PR_GetIPNodeByName( name,
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PRLDAP_DEFAULT_ADDRESS_FAMILY, PR_AI_DEFAULT,
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buffer, buflen, &prhent )) == PR_FAILURE ) {
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return( NULL );
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}
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return( prldap_convert_hostent( result, &prhent ));
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}
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static LDAPHostEnt *
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prldap_gethostbyaddr( const char *addr, int length, int type,
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LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
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void *extradata )
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{
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PRHostEnt prhent;
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PRNetAddr iaddr;
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if ( NULL == statusp ) {
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return( NULL );
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}
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memset( &iaddr, 0, sizeof( iaddr ));
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if ( PR_StringToNetAddr( addr, &iaddr ) == PR_FAILURE ) {
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return( NULL );
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}
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PRLDAP_SET_PORT( &iaddr, 0 );
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if( PR_FAILURE == (*statusp =
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PR_GetHostByAddr(&iaddr, buffer, buflen, &prhent ))) {
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return( NULL );
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}
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return( prldap_convert_hostent( result, &prhent ));
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}
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/*
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* Function: prldap_convert_hostent()
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* Description: copy the fields of a PRHostEnt struct to an LDAPHostEnt
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* Returns: the LDAPHostEnt pointer passed in.
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*/
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static LDAPHostEnt *
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prldap_convert_hostent( LDAPHostEnt *ldhp, PRHostEnt *prhp )
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{
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ldhp->ldaphe_name = prhp->h_name;
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ldhp->ldaphe_aliases = prhp->h_aliases;
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ldhp->ldaphe_addrtype = prhp->h_addrtype;
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ldhp->ldaphe_length = prhp->h_length;
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ldhp->ldaphe_addr_list = prhp->h_addr_list;
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return( ldhp );
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}
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